31989087

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1829

約数の個数: 40

約数和(自身を含む): 54519696

約数和(自身を除く): 22530609

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1787, 1989, 5361, 5967, 16083, 17901, 23231, 30379, 48249, 69693, 91137, 144747, 209079, 273411, 394927, 627237, 820233, 1184781, 1881711, 2460699, 3554343, 10663029, 31989087]

約数ペア:

[(1, 31989087), (3, 10663029), (9, 3554343), (13, 2460699), (17, 1881711), (27, 1184781), (39, 820233), (51, 627237), (81, 394927), (117, 273411), (153, 209079), (221, 144747), (351, 91137), (459, 69693), (663, 48249), (1053, 30379), (1377, 23231), (1787, 17901), (1989, 16083), (5361, 5967)]